Booting from an external HHD

Similar Questions

• Of failure, white screen MacBook Pro HARD drive try to boot from the external HARD drive

  Hello

  I have a 2008 Macbook Pro which is having some problems, I was able to fix them, but eventually the hard drive failed. I know that because at startup until it would have a white screen Uni (no logo) and you can hear a clicking on in the lower left corner. I thought initially it was a memory problem, but after opening and verification of memory, it's clearly the hard drive.

  I solved this problem temporarily (until I can replace the HARD disk) by installing El captain on an external HARD disc and start from that. Here's the twist, I couldn't he can begin to El captain, I tried CMD + R, CMD + OPT + R, CMD + OPT + R + P and now shift. Everything that's happened would be that clicks would cease to release the keys.

  I left the macbook on while I'm at work, when I got home it was on the screen to connect the external HARD drive.

  I accidentally closed the macbook yesterday and again once when I tried to log on, I could not and I left it on a white screen while I was sleeping. There is a possibility that he may have launched from the HARD drive when I get home, but if not, is there something that escapes me to force do this?

  See you soon

  Usually start up to a blank screen without the Apple Logo, may report one of the following:

  • Hardware failure
  • Boot drive is not recognized as valid and updated updated
  • OS X essential software is missing, hurt moved or renamed or corrupt
  • A firmware update is necessary

  No matter who, in order to boot from an external drive "bootable", you would normally hold down the Option key until you get a screen that offers a number of devices to try to boot from.

  Alternatively, you can try holding down the C key to try to boot from the external drive.

  If none of these startup options work, then the bootable disc or the USB port on your MacBook Pro can be the question.

  Since you have a Mac pre-2013, if you hold down the D key while booting, the built-in Apple Hardware Test should start up.  This can help to identify hardware problems.

• My iMac can boot from an external drive?

  Hello

  I have an iMac 21.5 "Mid 2010 which starts to show its age with slowness. However, I plan to upgrade the Basic 4 GB of Ram either 8 GB or 16 GB of Ram, depending on price... and my main question.  I know that the Mac came initially with a 500 GB hard drive and I would also like to upgrade to an SSD because they make a world of difference from what I've heard, but I don't have the level of skill tech to do the steps together 20-30. I wonder, as I have a 1 TB USB SSD externally, if I could install a new version of Mac OS X on the SSD USB and then set it as my boot drive and just keep still plugged. Would this work or startup disk must be internal rather than external via USB?

  Your iMac can be set to boot from an external drive. Just install OS X on the SSD and SSD drive as your boot disk in System-> startup disk Preferences.

• Satellite NB10t-A-101 refuses to boot from any external media

  I just bought a NB10t to the United Kingdom and try to boot to a bootable USB key

  I noticed that the BIOS on this particular model is UEFI mode only, which, in itself, is not a problem because users can sign their own operating systems with a certification authority and use them, but this laptop refuses to boot from any external environment... or even to provide an error message.

  I changed boot priority in the BIOS and USB moved up
  I disabled the Secure Boot option in the BIOS
  I tried all 3 USB ports as well as 3 different drives (NOTE: THESE WORK FINE ON the 3 OTHER SYSTEMS, a dell desktop/laptop computer and a computer acer laptop)
  I also tried different distributions (Debian & Arch)
  I used several installation methods (hard install of Unetbootin/Full/Rufus etc...)
  I tried all your currently released BIOS versions (delivery with V1.0, V1.1 - Jan Feb - V1.2)

  After trying all these when you press F12 at startup, the shows start menu but when you select a device, the system continues to initiate (Win8) HARD drive

  After Googling around, I noticed that you have unlocked 2 BIOS updates I tried all versions of these and still the system refuses to boot in my selected device

  Can we expect more updates of the firmware in the near future? Is there a way to work around this problem to start my chosen OS? Is there an option of CSM?

  Edit: punctuation

  null

  Hello

  Your laptop was equipped with the new processor Intel Celeron 2810 n that belongs to the Bay Trail-M architecture.
  This new * Intel Bay Trail * technology is only supported systems that support UEFI and systems (Win 8, 8.1 Win) and, therefore, the UEFI / CSM boot mode option isn't available in the BIOS settings.

  _So you can install only a system capable of UEFI

  PS: The same topic has already been discussed in this thread:
  http://forums.computers.Toshiba-Europe.com/forums/thread.jspa?threadID=75041

• Portege Z930 - impossible to boot from the external USB CD/DVD drive

  I have a portege Z930 14U
  I am not able to boot from an external linke (Samsun SE-218) CD player via USB

  I already set the boot sequence and choosed CSM as model BIOS

  Thank you
  Andrea

  Try disabling secure boot in the BIOS too.
  Then connect the CD/DVD from the laptop drive and switch on the device.
  Press F12 and choose from the menu to boot from the USB device

• OS to boot from the external drive

  So I searched high and low, and I don't know if the Toshiba Satillite are able to start an operating system on an external hard drive. I discovered that there are portable computers that can do but their BIOS must beable to do. If Toshiba laptops can do those who can?

  Hello

  As far as I know it of not possible to boot from the external USB HDD.
  I found several postings on similar themes and it seems that it is only possible to boot from the external USB FDD, HDD, ODD and LAN are sometimes also PCMCIA card.

• Boot from USB external HDD - Tecra M5

  Hello!

  Does anyone know is it possible for an OS boot from disk external DRIVE connected to the laptop via USB? There are 'Priority HARD drive' in the configuration of the BIOS with a possibility to choose: USB - integrable - second HARD drive. But it does not work :(

  I tried to start Windows 98 from the external USB - HDD even on my computer at home. Everything is OK...

  My Tecra M5 BIOS version is 3.20.

  TIA

  As far as I know, it won't work. Use of USB stick bootable Yes but not boot OS from the external HARD drive.

• I can't boot from disk external HARD - Tecra M5

  Hey guys,.

  I tried to start my Tecra M5 from disc external HARD with a clone of my hard drive but it does not work.

  Maybe you can give me some advice for this problem.

  with greetings

  Hello

  > Maybe you can give me some advice for this problem.
  This isn't a problem! It's just not possible!
  Regarding a I know that it of not possible to boot from the external USB HDD

  You can boot from these devices:
  USB FDD, disk HARD primary, SelectBay devices, Network (LAN), SD-CARD

  Good bye

• Portege R100 - boot from the external HARD drive

  I have a Portege R100 and the HARD drive has failed. I installed a new HARD drive and I have the Toshiba recovery disks. I tried to boot from a generic USB CD-ROM but the laptop did not recognize.

  I have a disk of Toshiba USB drive it does not recognize and I have a restore disc but I don't know how from there. Do I have to buy a CD external Toshiba and if so, which?
  Any useful suggestions?

  Hello

  Boot from the external USB CD/DVD drive is not possible.
  You will also be able to boot from USB HDD!

  If you want to boot from the CD, you must use a compatible PCMCIA cards (16-bit and 32-bit Cardbus) CD/DVD drive.

  For more information, see this article from Toshiba:
  http://support.toshiba-tro.de/KB0/TSB5100S70004R01.htm

  and this other thread:
  http://forums.computers.Toshiba-Europe.com/forums/thread.jspa?MessageID=97343𗰿
  http://forums.computers.Toshiba-Europe.com/forums/thread.jspa?threadID=8991&MessageID=31246

  Good bye

• Dell Latitude 10 ST2e compressed can not boot from an external USB optical drive

  Dell Latitude 10 ST2e compressed can not boot from an external optical drive USB (CD/DVD)

  The BIOS has no setting for it. It will boot from a flash drive. I would like to boot from my CD of 2013 Acronis Recovery Console.  Anyone have any success to boot from a CD/DVD USB drive?

  Yes, there is a way to do this.

  I just did this to install Windows 10 from a DVD on a tablet of 10 Latitude by following these steps:
  (Note: my version of BIOS is A08)

  1. turn off the 10 latitude power.
  2. attach a USB hub to the USB slot unique on the side of the tablet.
  3. fix a keyboard and an external USB CD drive to the USB hub.
  4. now press the button down on the side of the Tablet and simultaneously press the power button for 5 seconds (until see you the screen light up, but will be weak against black unlit).
  5. When you see the Dell logo, start typing on the F12 key (the lower right corner shows the option press the F12 key to choose single startup options)
  6. now start choosing appear with many options to choose from, including my CD/DVD drive.

  Hope it will be useful to you.

• Computer tries to boot from the external drive

  I use a desktop computer with Windows 7.  I have an external hard drive connected as a backup drive.

  While booting, the computer tries to boot from the external drive and nothing happens.

  In order to get the machine to start, I have to unplug the drive hard Ext., which is a waste of time.

  I would like to back up on the drive internally the computer c:

  Is there a way I can stop trying to boot from the external drive?

  At the start of the pc, open the BIOS, usually output tab, search (priority boot device), set C: 1st, 2nd or 3rd external

  Save and exit. Also, more need of HDs to put in shape before using it, most come in a "raw" State the mfg

• Boot from an external HARD drive via USB

  I have an 8200 Elite SFF and wants to start an alternative system (not Linux, but * NIX - like BONE) of a disk external DRIVE, connected via a USB port. My main operating system is WIN 7 64 bit, but for some special tasks I´d like to use the alternative OS. It worked without any problem on my two previous stand-alone - elected USB as a boot device in the BIOS boot menu and it starts fine.  However, on my Compaq 8200 there no USB option in the start menu. However, when I connect the external HARD drive to a USB port, the name of the HARD disk appears in the start menu, but again, it won't start him.  Have heard that there is a tweak to fix this, or maybe I m wrong. Alternatively, my stand-alone motherboard just can´t boot from an external hard drive via USB? Any ideas?

  Yes,

  Unplug everything plugged to the computer except the keyboard, mouse and monitor.

  Then use this method to Flash the BIOS.  It's the best way to go.

  USB Device Flash BIOS DOS

  BACK Flash (DOSFlash.exe, FlshUefi.cpu) is the Flash BIOS DOS compatible system utility that can be used from a bootable BACK storage device (where the 'BACK' refers to a number of operating systems such as FreeDOS, DR - DOS or MS-DOS). FlshUefi.cpu is the driver required for DOSFlash.exe. To Flash the BIOS of the system to a bootable USB storage device, you'll need to copy the contents of the BACK Flash file on the USB device, start the PC from the USB device and run the DOSFlash application. To see a more complete description of the BACK flash utility, view DOSFlash.txt located in the folder BACK Flash. This folder also contains the required binary BIOS image.  The binary image file is named xxx_MMmm.bin , where "xxx" is the family of BIOS, 'MM' is the major version number and "mm" is the minor version number.  This file can be copied to the root directory of any removable media USB for use with F10 setup option «Flash system ROM»

  The display of the folder BACK Flash content

  The links on this post do not work. I copied the section from the BIOS flashing instructions for the specific section you need.

  Paul

• If I install 10.11.6 on my iMac I will be able to boot from an external hard drive with and OS earlier?

  If I install 10.11.6 on my iMac (model identifier: iMac12, 2 name of the processor: Intel Core i5 speed processor: 3.1 GHz)

  will I be able to boot from a drive external firewire with and the older operating system? Or El Capitan will not allow this as I said can occur. Can't risk a "pourrait".

  Thank you

  There should be no problem. Your iMac is come with Snow Leopard as well as or any subsequent OS should work. Note however, that once started from SL, your interior with El Capitan would be is no longer recognized as a boot device in the preferences > startup disk because Snow Leopard does not have logical volume by car Group organization. You need to restart with the Option key pressed down, calling the Boot Manager.

  If you have problems, you might consider to make the connection via the USB port.

• Qosmio G30: Boot from HDD external ESATA

  Dear all,

  I am trying to boot from a disk external HARD connected with an express/34 card that has a START function. It works like one charm on another laptop manufacturers because the express/34 card is recognized without problems. I can choose the external sata HARD drive as a bootdevice.

  My BIOS (V3.5) Qosmio G30 seems not to have this option. Any suggestions? Thank you for your comments!

  card esata Express/34: http://www.cooldrives.com/2saexcadues.html (ROM BIOS supports boot features)

  Kind regards
  Nboss

  Hello

  These function the BIOS boot options.
  The BIOS that is installed on the G30 is no option. So unfortunately, but there is nothing to do!

  Best regards

• Satellite A30 series can boot from USB external HDD?

  Hello

  I have a satellite a30 series laptop. Anyone know if I can boot from usb hard drive? My bios has an option to boot from removable devices. I want to install linux but my laptop has only 30 GB of internal space and most of that is out of stock, that's why I want to install and run linux from a disk usb external hard.

  Thank you

  As far as I know that something like this is not possible. To see if anyone has any other theories. ;)